©JASONMcCONNELL 2025 ALL RIGHTS RESERVED
BIO 101 EXAM 2 Practice Test Exam
Questions and Answers 100% Pass
A red flower mates with a white flower and the offspring is pink. This is an example of what? -
ANS incomplete dominance
True breeding refers to when an organism is homozygous for a particular trait. If a pea plant
was true breeding for wrinkled leaves (w) which is recessive trait. Which of the following can
represent its genotype? - ANS ww
A father who possesses a sex-linked dominant trait will definitely? - ANS pass the trait to his
daughters
Offspring that express the phenotypes of different alleles from their parents equally are
referred to as? - ANS codominance
What is the probability of a heterosexual couple producing male offspring? - ANS 50%
At what stage do chromosomes line up at the center of the cell? - ANS metaphase
Reproduction that results in the offspring being genetically identical to the parents will most
likely be a result of? - ANS mitosis
DNA copies in a replicated chromosome are referred to as? - ANS chromatids
1
, ©JASONMcCONNELL 2025 ALL RIGHTS RESERVED
A length of DNA that codes for a particular protein or RNA is called? - ANS gene
Where do microtubules originate? - ANS MTOC
The condensation of chromosomes into compact structures occur during? - ANS prophase
What are the specialized structures that microtubules attach to on the chromosomes during
prometaphase? - ANS kinetochores
The cell cycle will proceed past the G1 checkpoint if? - ANS nutrients are efficient
Improper chromosome replication will result in the cell being unable to pass through? -
ANS the G2 checkpoint
What processes result in cancer? - ANS proteins necessary for cell growth being active at the
wrong time
If sex involves the mating of male and female cells, how do humans maintain its existing ploidy?
- ANS meiosis ensures that the gametes that are involved in mating are haploid
Which of the following is NOT true about sister chromatids? - ANS they are genetically
different from each other
At which stage does chiasma take place? - ANS late prophase 1
What is the phenotypic ratio for offspring produced by a mating between two parents who are
heterozygous for two separate traits? (assume no incomplete or co dominance) - ANS 9:3:3:1
2
BIO 101 EXAM 2 Practice Test Exam
Questions and Answers 100% Pass
A red flower mates with a white flower and the offspring is pink. This is an example of what? -
ANS incomplete dominance
True breeding refers to when an organism is homozygous for a particular trait. If a pea plant
was true breeding for wrinkled leaves (w) which is recessive trait. Which of the following can
represent its genotype? - ANS ww
A father who possesses a sex-linked dominant trait will definitely? - ANS pass the trait to his
daughters
Offspring that express the phenotypes of different alleles from their parents equally are
referred to as? - ANS codominance
What is the probability of a heterosexual couple producing male offspring? - ANS 50%
At what stage do chromosomes line up at the center of the cell? - ANS metaphase
Reproduction that results in the offspring being genetically identical to the parents will most
likely be a result of? - ANS mitosis
DNA copies in a replicated chromosome are referred to as? - ANS chromatids
1
, ©JASONMcCONNELL 2025 ALL RIGHTS RESERVED
A length of DNA that codes for a particular protein or RNA is called? - ANS gene
Where do microtubules originate? - ANS MTOC
The condensation of chromosomes into compact structures occur during? - ANS prophase
What are the specialized structures that microtubules attach to on the chromosomes during
prometaphase? - ANS kinetochores
The cell cycle will proceed past the G1 checkpoint if? - ANS nutrients are efficient
Improper chromosome replication will result in the cell being unable to pass through? -
ANS the G2 checkpoint
What processes result in cancer? - ANS proteins necessary for cell growth being active at the
wrong time
If sex involves the mating of male and female cells, how do humans maintain its existing ploidy?
- ANS meiosis ensures that the gametes that are involved in mating are haploid
Which of the following is NOT true about sister chromatids? - ANS they are genetically
different from each other
At which stage does chiasma take place? - ANS late prophase 1
What is the phenotypic ratio for offspring produced by a mating between two parents who are
heterozygous for two separate traits? (assume no incomplete or co dominance) - ANS 9:3:3:1
2
